diff --git a/zh-cn/application-dev/reference/apis/js-apis-inputdevice.md b/zh-cn/application-dev/reference/apis/js-apis-inputdevice.md
index 32d609c611a06e941ac203d1b978bec6e85893e1..89820291e72e04ee571f8743eb4690e0247d45b7 100755
--- a/zh-cn/application-dev/reference/apis/js-apis-inputdevice.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inputdevice.md
@@ -119,7 +119,7 @@ function getDeviceIds(): Promise<<Array<number>>
 
 | 参数                      | 说明                          |
 | ------------------------- | ----------------------------- |
-| Promise<Array&lt;number>> | Promise实例，用于异步获取结果 |
+| Promise&lt;Array&lt;number&gt;&gt; | Promise实例，用于异步获取结果 |
 
 **示例：**